ref: b49e9fb433620dff5b3f7045901d2c874cd647da
parent: bc27812c8b90ce77f46bf89402704d59faffcf62
parent: 3e0c62b53fec118ea32518983be3fd633481dab7
author: Jingning Han <jingning@google.com>
date: Mon Jan 6 04:38:19 EST 2014
Merge "Tune IDCT8_1D macro function interface"
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -459,7 +459,9 @@
res1 = _mm_packs_epi32(tmp2, tmp3); \
}
-#define IDCT8_1D \
+#define IDCT8_1D(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \/* Stage1 */ \
{ \const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
@@ -519,14 +521,15 @@
} \
\
/* Stage4 */ \
- in0 = _mm_adds_epi16(stp1_0, stp2_7); \
- in1 = _mm_adds_epi16(stp1_1, stp1_6); \
- in2 = _mm_adds_epi16(stp1_2, stp1_5); \
- in3 = _mm_adds_epi16(stp1_3, stp2_4); \
- in4 = _mm_subs_epi16(stp1_3, stp2_4); \
- in5 = _mm_subs_epi16(stp1_2, stp1_5); \
- in6 = _mm_subs_epi16(stp1_1, stp1_6); \
- in7 = _mm_subs_epi16(stp1_0, stp2_7);
+ out0 = _mm_adds_epi16(stp1_0, stp2_7); \
+ out1 = _mm_adds_epi16(stp1_1, stp1_6); \
+ out2 = _mm_adds_epi16(stp1_2, stp1_5); \
+ out3 = _mm_adds_epi16(stp1_3, stp2_4); \
+ out4 = _mm_subs_epi16(stp1_3, stp2_4); \
+ out5 = _mm_subs_epi16(stp1_2, stp1_5); \
+ out6 = _mm_subs_epi16(stp1_1, stp1_6); \
+ out7 = _mm_subs_epi16(stp1_0, stp2_7); \
+ }
#define RECON_AND_STORE(dest, in_x) \
{ \@@ -574,7 +577,8 @@
in0, in1, in2, in3, in4, in5, in6, in7);
// 4-stage 1D idct8x8
- IDCT8_1D
+ IDCT8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
}
// Final rounding and shift
@@ -697,15 +701,8 @@
in0, in1, in2, in3, in4, in5, in6, in7);
// 4-stage 1D idct8x8
- IDCT8_1D
- in[0] = in0;
- in[1] = in1;
- in[2] = in2;
- in[3] = in3;
- in[4] = in4;
- in[5] = in5;
- in[6] = in6;
- in[7] = in7;
+ IDCT8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7]);
}
static void iadst8_1d_sse2(__m128i *in) {@@ -1112,9 +1109,9 @@
tmp3 = _mm_subs_epi16(stp1_2, stp1_5);
TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, in0, in1, in2, in3)
- in4 = in5 = in6 = in7 = zero;
- IDCT8_1D
+ IDCT8_1D(in0, in1, in2, in3, zero, zero, zero, zero,
+ in0, in1, in2, in3, in4, in5, in6, in7);
// Final rounding and shift
in0 = _mm_adds_epi16(in0, final_rounding);
in1 = _mm_adds_epi16(in1, final_rounding);
--
⑨